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import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'models/app_state.dart';
import 'screens/home_screen.dart';
import 'screens/error_screen.dart';
import 'providers/service_status.dart';
import 'grpc/generated/voice_agent.pbgrpc.dart';
import 'grpc/voice_agent_client.dart';
import 'utils/app_config.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
final serviceStatusProvider = ServiceStatusProvider();
// get config variables
final config = await AppConfig.loadFromAsset();
// Check the service status initially
final initialServiceStatus = await checkServiceStatus(config);
serviceStatusProvider.setServiceStatus(initialServiceStatus.status);
runApp(
MultiProvider(
providers: [
ChangeNotifierProvider(create: (_) => AppState()),
ChangeNotifierProvider.value(value: serviceStatusProvider),
],
child: App(
config: config,
onRetry: () async {
final serviceStatus = await checkServiceStatus(
config); // Retry connecting to the server
if (serviceStatus.status) {
serviceStatusProvider
.setServiceStatus(true); // Update the service status
}
},
),
),
);
}
Future<ServiceStatus> checkServiceStatus(AppConfig config) async {
final client = VoiceAgentClient(config.grpcHost, config.grpcPort);
final serviceStatus = await client.checkServiceStatus();
client.shutdown();
return serviceStatus;
}
class App extends StatelessWidget {
final AppConfig config;
final VoidCallback onRetry;
const App({Key? key, required this.config, required this.onRetry});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'AGL Voice Assistant',
theme: ThemeData(
useMaterial3: true,
colorScheme: ColorScheme.fromSeed(seedColor: Colors.green),
),
home: Consumer<ServiceStatusProvider>(
builder: (context, provider, child) {
return provider.isServiceOnline
? HomePage(config: config)
: ErrorScreen(
onRetry: onRetry, // Pass the callback to the ErrorScreen
); // Conditionally render HomePage or ErrorScreen
},
),
);
}
}
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